Phys.org news tagged with:dolphinshttps://phys.org/
en-usPhys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.21 dolphins die after washing up on Mexico beachTwenty-one dolphins that were apparently attacked by another species of dolphin have died after washing up on a beach in northern Mexico, authorities said.https://phys.org/news/2018-02-dolphins-die-mexico-beach.html
Plants & Animals Thu, 15 Feb 2018 04:14:10 ESTnews437890444France overturns ban on captive dolphin breedingFrance's highest administrative court on Monday overturned a ban on the breeding of dolphins in captivity, a victory for marine parks which had argued the move could put them out of business.https://phys.org/news/2018-01-france-overturns-captive-dolphin.html
Plants & Animals Mon, 29 Jan 2018 11:11:19 ESTnews436446673Measuring metabolism in dolphins to calculate their caloric needsA team of researchers from several institutions in the U.S. and one in Spain has measured the metabolism of wild bottlenose dolphins in an effort to better understand their caloric needs. In their paper published in the journal Royal Society Open Science, the group describes measuring the dolphins, what they found, and explain how their findings can help with conservation efforts.https://phys.org/news/2018-01-metabolism-dolphins-caloric.html
Plants & Animals Wed, 17 Jan 2018 08:30:01 ESTnews435394903Dolphins beat humans, chimps at early signs of self-awarenessMirror, mirror on the wall, who's the brightest mammal of them all?https://phys.org/news/2018-01-dolphins-humans-chimps-early-self-awareness.html
Plants & Animals Wed, 10 Jan 2018 14:43:53 ESTnews434817828Boat traffic threatens the survival of Panama's Bocas Del Toro dolphinsBottlenose dolphins in Panama's Bocas Del Toro Archipelago should be designated as endangered say the authors of a new study. Biologists working at the Smithsonian Tropical Research Institute discovered that the roughly 80 dolphins in the archipelago do not interbreed with other Caribbean bottlenose dolphins. Their low numbers jeopardize their long-term survival, which is threatened by increasing local boat traffic that killed at least seven dolphins in 2012.https://phys.org/news/2017-12-boat-traffic-threatens-survival-panama.html
Ecology Fri, 22 Dec 2017 10:09:12 ESTnews433159733New research reveals England's only resident bottlenose dolphinsThe south-west of England is known as a hotspot for cetaceans but until recently little was known about the bottlenose dolphins glimpsed off the coast.https://phys.org/news/2017-12-reveals-england-resident-bottlenose-dolphins.html
Plants & Animals Wed, 20 Dec 2017 08:00:01 ESTnews432978110First-ever tagging of Amazon dolphins to boost conservation effortsFor the first time ever, WWF and research partners are now tracking river dolphins in the Amazon using satellite technology after scientists successfully tagged dolphins in Brazil, Colombia and Bolivia, attaching small transmitters that will provide new insights into the animals' movements and behaviour and the growing threats they face.https://phys.org/news/2017-12-first-ever-tagging-amazon-dolphins-boost.html
Ecology Tue, 05 Dec 2017 07:41:51 ESTnews431682102Swimming with dolphins in virtual reality to aid disabledSwimming with wild dolphins is something most can only dream of, and jumping into pools with captive animals has become increasingly controversial with environmentalists condemning it as cruel.https://phys.org/news/2017-11-dolphins-virtual-reality-aid-disabled.html
Other Sun, 19 Nov 2017 05:26:19 ESTnews430291570Longest living dolphin in captivity dies at Japan aquariumA female bottlenose dolphin has died at a Japanese aquarium only weeks after breaking a national record of more than four decades in captivity, an official said Thursday.https://phys.org/news/2017-11-longest-dolphin-captivity-dies-japan.html
Plants & Animals Thu, 02 Nov 2017 06:48:21 ESTnews428824096Whales and dolphins have rich 'human-like' cultures and societiesWhales and dolphins (Cetaceans) live in tightly-knit social groups, have complex relationships, talk to each other and even have regional dialects - much like human societies.https://phys.org/news/2017-10-whales-dolphins-rich-human-like-cultures.html
Plants & Animals Mon, 16 Oct 2017 11:00:17 ESTnews427348906Studies reveal worrisome trend for health of wild dolphinsTwelve years of data on the health of two Atlantic bottlenose dolphin populations paints a grim reality concerning the wellbeing of the Atlantic Ocean. The research, published as two companion review papers July 24 in the scientific journal Diseases in Aquatic Organisms (here and here), compiles findings from Georgia Aquarium, Harbor Branch Oceanographic Institution at Florida Atlantic University and a number of contributing partners as part of the Health and Environmental Risk Assessment Project (HERA) from 2003-2015. In addition to informing researchers about the health of dolphins, the data have prompted additional studies on how the environment may impact human health.https://phys.org/news/2017-08-reveal-worrisome-trend-health-wild.html
Plants & Animals Thu, 24 Aug 2017 02:50:27 ESTnews422761702Marine biologists study the diets of dolphin species to understand the animals' foraging habitsThe health of dolphin populations worldwide depends on sustained access to robust food sources.https://phys.org/news/2017-08-marine-biologists-diets-dolphin-species.html
Plants & Animals Wed, 02 Aug 2017 15:50:54 ESTnews420907849Bangladesh doubles wildlife sanctuary to save its tigersBangladesh has more than doubled the size of the wildlife sanctuary in the world's largest mangrove forest to try to protect endangered Bengal tigers whose numbers have fallen sharply, officials said Tuesday.https://phys.org/news/2017-08-bangladesh-wildlife-sanctuary-tigers.html
Ecology Tue, 01 Aug 2017 10:00:01 ESTnews420799535Dolphins follow the trawlersNew research has shown that dolphins offshore of Western Australia's Pilbara coast are following fishing trawlers to feed on injured or discarded fish.https://phys.org/news/2017-07-dolphins-trawlers.html
Ecology Tue, 11 Jul 2017 09:31:05 ESTnews418984255Mexico to use dolphins to save endangered vaquita porpoiseMexico announced plans Friday to use trained dolphins to corral the last remaining vaquita marina porpoises into a protected breeding ground, a last-ditch bid to save the critically endangered species.https://phys.org/news/2017-07-mexico-dolphins-endangered-vaquita-porpoise.html
Ecology Sat, 01 Jul 2017 04:23:01 ESTnews418101754Approach tested at FAU first to look at dolphin immune systemFor humans, there are hundreds of antibodies available on the market today to evaluate immune status in health and diseases. However, for the more than 42 known species of dolphins around the world, commercially available marine-specific antibodies do not exist. With the drastic increase in the number of unusual dolphin strandings and deaths along the southeastern coast of the United States and elsewhere, finding specific antibodies to test, monitor and document their immune health is critical.https://phys.org/news/2017-05-approach-fau-dolphin-immune.html
Plants & Animals Thu, 25 May 2017 09:22:41 ESTnews414922950Morocco fishermen decry 'El Negro' dolphin attacksIn Morocco's northern port city of Al-Hoceima, fishermen are clamouring for state support for a struggling sector which they say is under attack from dolphins.https://phys.org/news/2017-05-morocco-fishermen-decry-el-negro.html
Ecology Tue, 23 May 2017 07:31:37 ESTnews414743489Researchers help protect Peru's river dolphinsRiver dolphins and Amazonian manatees in Peru will benefit from new protection thanks to a plan developed with help from the University of Exeter. Researchers from the university's Penryn Campus in Cornwall worked with Peruvian officials for more than two years to develop a new protection law.https://phys.org/news/2017-05-peru-river-dolphins.html
Ecology Tue, 16 May 2017 01:48:05 ESTnews414118076France bans captive breeding of dolphins, killer whalesFrance on Saturday banned the breeding in captivity of dolphins and killer whales under tighter rules that campaigners hope will eventually herald the end of shows involving the animals.https://phys.org/news/2017-05-france-captive-dolphins-killer-whales.html
Plants & Animals Sat, 06 May 2017 19:30:01 ESTnews413317218New study defines the environment as an influencer of immune system responses in dolphinsTwo populations of wild dolphins living off the coast of Florida and South Carolina are experiencing more chronically activated immune systems than dolphins living in controlled environments, raising concerns of researchers about overall ocean health, and the long-term health of bottlenose dolphins. The research, publishing May 3 in the scientific journal PLOS ONE is the first study of its kind analyzing the role the environment plays in the overall health and immune response of dolphins in the wild compared to those in human care.https://phys.org/news/2017-05-environment-immune-responses-dolphins.html
Plants & Animals Wed, 03 May 2017 14:00:08 ESTnews413031599Immature spinner dolphin calf SCUBA tanks spell disaster in tuna fisheriesDolphins that live in the deep ocean have well developed oxygen storage, but now it turns out that spinner dolphin calves do not develop their SCUBA capacity any faster than coastal species, despite their deep diving lifestyle. Shawn Noren from the University of California, Santa Cruz has also calculated that delays in developing their oxygen storage could place spinner dolphin calves at risk of separation from their mothers during high speed tuna purse seine-fishery pursuits.https://phys.org/news/2017-04-immature-spinner-dolphin-calf-scuba.html
Plants & Animals Wed, 19 Apr 2017 18:00:03 ESTnews411823551Unique dolphin strategy delivers dangerous octopus for dinnerFor wild predators, catching, killing and eating prey can sometimes be a risky business. We can see this on the African savannah, where a well-aimed kick from a zebra can spell trouble for a hungry lion.https://phys.org/news/2017-04-unique-dolphin-strategy-dangerous-octopus.html
Plants & Animals Mon, 03 Apr 2017 09:00:03 ESTnews410428650Genetic study of sea otters suggests very long history of tool use(Phys.org)—A team of researchers affiliated with several institutions in the U.S. has found via genetic analysis that tool use by sea otters appears to go back hundreds of thousands or even millions of years. In their paper published in the journal Biology Letters, the team describes how they looked for genetic differences between groups of otters and compared their findings with tool use in bottlenose dolphins to learn more about the history of tool use in marine animals.https://phys.org/news/2017-03-genetic-sea-otters-history-tool.html
Plants & Animals Wed, 22 Mar 2017 08:30:02 ESTnews409389050The energetic cost of swimming at high speed when startled may be a factor in strandings of dolphins and whalesDolphins swimming at top speed use more than twice the amount of energy per fin beat than dolphins swimming at a more relaxed pace, according to a study by scientists at UC Santa Cruz. The researchers also found that startled beaked whales fleeing human noises use 30.5 percent more energy during the flight, suggesting that the high cost of escape could contribute to recent dolphin and whale strandings.https://phys.org/news/2017-03-energetic-high-startled-factor-strandings.html
Plants & Animals Thu, 16 Mar 2017 08:20:01 ESTnews408870055Large freshwater species among those most threatened with extinction on the planetFreshwater megafauna such as river dolphins, crocodilians and sturgeons play vital roles in their respective ecosystems. In a recent scientific publication, researchers of the Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB) in Berlin have teamed up with international colleagues to illustrate the factors that currently threaten these large vertebrates. The authors also call for a more comprehensive assessment on these large freshwater animals and for a more targeted conservation plan. Also, a wider range of freshwater species and freshwater ecosystems suffering from biodiversity decrease have the potential to benefit from such megafauna-based actions.https://phys.org/news/2017-03-large-freshwater-species-threatened-extinction.html
Ecology Wed, 15 Mar 2017 07:40:02 ESTnews408780656Crocodiles and dolphins evolved similar skulls to catch the same prey, study findsA new study involving biologists from Monash University Australia has found that despite their very different ancestors, dolphins and crocodiles evolved similarly-shaped skulls to feed on similar prey.https://phys.org/news/2017-03-crocodiles-dolphins-evolved-similar-skulls.html
Plants & Animals Wed, 08 Mar 2017 09:30:02 ESTnews408187605Diving deep into the dolphin genome could benefit human healthIn movies and TV shows, dolphins are often portrayed as heroes who save humans through remarkable feats of strength and tenacity. Now dolphins could save the day for humans in real life, too – with the help of emerging technology that can measure thousands of proteins and an improved database full of genetic data.https://phys.org/news/2017-02-deep-dolphin-genome-benefit-human.html
Plants & Animals Thu, 23 Feb 2017 07:48:59 ESTnews407058531Help to save rare humpback dolphinsFlinders researchers have confirmed the importance of the remote Ningaloo Reef as a conservation site of significance for the rare and secretive Australian humpback dolphin.https://phys.org/news/2017-02-rare-humpback-dolphins.html
Plants & Animals Mon, 13 Feb 2017 07:23:33 ESTnews406193004Dolphins following shrimp trawlers cluster in social groupsBottlenose dolphins near Savannah, Georgia are split into social groups according to whether or not they forage behind commercial shrimp trawlers, according to a study published February 1, 2017 in the open-access journal PLOS ONE by Tara Cox from Savannah State University, USA, and colleagues.https://phys.org/news/2017-02-dolphins-shrimp-trawlers-cluster-social.html
Plants & Animals Wed, 01 Feb 2017 14:00:03 ESTnews405175242Myanmar's 'smiling' Irrawaddy dolphins on brink of extinctionTears fill Maung Lay's eyes as he describes losing the dolphin he knew since his childhood, the latest casualty of a battle against pollution and electrofishing that may see the species disappear in Myanmar.https://phys.org/news/2017-01-myanmar-irrawaddy-dolphins-brink-extinction.html
Ecology Tue, 17 Jan 2017 03:30:01 ESTnews403845905